Reconstruction of inclined air showers detected with the Pierre Auger Observatory

doi:10.1088/1475-7516/2014/08/019

Reconstruction of inclined air showers detected with the Pierre Auger Observatory

Journal Article · Fri Aug 01 04:00:00 EDT 2014 · Journal of Cosmology and Astroparticle Physics

DOI:https://doi.org/10.1088/1475-7516/2014/08/019· OSTI ID:22373361

We describe the method devised to reconstruct inclined cosmic-ray air showers with zenith angles greater than 60° detected with the surface array of the Pierre Auger Observatory. The measured signals at the ground level are fitted to muon density distributions predicted with atmospheric cascade models to obtain the relative shower size as an overall normalization parameter. The method is evaluated using simulated showers to test its performance. The energy of the cosmic rays is calibrated using a sub-sample of events reconstructed with both the fluorescence and surface array techniques. The reconstruction method described here provides the basis of complementary analyses including an independent measurement of the energy spectrum of ultra-high energy cosmic rays using very inclined events collected by the Pierre Auger Observatory.

OSTI ID:: 22373361

Journal Information:: Journal of Cosmology and Astroparticle Physics, Journal Name: Journal of Cosmology and Astroparticle Physics Journal Issue: 08 Vol. 2014; ISSN 1475-7516

Country of Publication:: United States

Language:: English

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
79 ASTRONOMY AND ASTROPHYSICS
AIR
COSMIC RADIATION
DENSITY
ENERGY SPECTRA
FLUORESCENCE
GROUND LEVEL
MUONS
SHOWERS
SIGNALS
SIMULATION
SURFACES

Reconstruction of inclined air showers detected with the Pierre Auger Observatory

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